Where does “rascador” come from?

rascador (Spanish) comes from Spanish rascar, from Old Spanish rascar, from Vulgar Latin rasicare, from Latin rāsus, from Latin rādō, from Proto-Italic razdō, from Proto-Indo-European rh₁d-dʰ-, from Proto-Indo-European reh₁d- — to scrape, scratch, gnaw.

rascador (Spanish): scratcher (any implement used for scratching)